<template>
    <div class="divBox">
      <el-card class="box-card">
      <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
        <el-form-item label="菜单名称" prop="menuName">
          <el-input
            v-model="queryParams.name"
            placeholder="请输入菜单名称"
            clearable
            size="small"
          />
        </el-form-item>
        <el-form-item label="状态" prop="menuType">
          <el-select v-model="queryParams.menuType" placeholder="菜单状态" clearable size="small">
            <el-option
              v-for="item in statusOptions"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
  
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="info"
            plain
            icon="el-icon-sort"
            size="mini"
            @click="toggleExpandAll"
          >展开/折叠</el-button>
        </el-col>
      </el-row>
  
      <el-table
        v-if="refreshTable"
        v-loading="listLoading"
        :data="menuList"
        row-key="id"
        :default-expand-all="isExpandAll"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
        :header-cell-style=" {fontWeight:'bold'}"
      >
        <el-table-column prop="name" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
        <el-table-column prop="icon" label="图标" align="center" width="100">
          <template slot-scope="scope">
            <i :class="'el-icon-' + scope.row.icon" style="font-size: 20px;" />
          </template>
        </el-table-column>
        <el-table-column prop="sort" label="排序" width="60"></el-table-column>
        <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="isShow" label="状态" width="80">
          <template slot-scope="scope">
            <el-tag :type="scope.row.isShow ? '' : 'danger'">{{scope.row.isShow ? '显示' : '隐藏'}}</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column prop="menuType" label="类型" width="80">
          <template slot-scope="scope">
            <span class="type_tag one" v-if="scope.row.menuType == 'M'" >目录</span>
            <span class="type_tag two" v-else-if="scope.row.menuType == 'C'" >菜单</span>
            <span class="type_tag three" v-else type="info">按钮</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['admin:system:menu:info']"
            >修改</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-plus"
              @click="handleAdd(scope.row)"
              v-hasPermi="['admin:system:menu:add']"
            >新增</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['admin:system:menu:delete']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
  
      <!-- 添加或修改菜单对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="680px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="100px">
          <el-row>
            <el-col :span="24">
              <el-form-item label="上级菜单">
                <treeselect
                  v-model="form.pid"
                  :options="menuOptions"
                  :normalizer="normalizer"
                  :show-count="true"
                  placeholder="选择上级菜单"
                />
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item label="菜单类型" prop="menuType">
                <el-radio-group v-model="form.menuType">
                  <el-radio label="M">目录</el-radio>
                  <el-radio label="C">菜单</el-radio>
                  <el-radio label="A">按钮</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item v-if="form.menuType != 'A'" label="菜单图标">
                <el-form-item>
                  <el-input placeholder="请选择菜单图标" v-model="form.icon">
                    <el-button slot="append" icon="el-icon-circle-plus-outline" @click="addIcon"></el-button>
                  </el-input>
                </el-form-item>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="菜单名称" prop="menuName">
                <el-input v-model="form.name" placeholder="请输入菜单名称" />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="显示排序" prop="sort">
                <el-input-number v-model="form.sort" controls-position="right" :min="0" />
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType !== 'A'">
              <!-- v-if="form.menuType == 'C'" -->
              <el-form-item prop="component">
                <span slot="label">
                  <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                  <i class="el-icon-question"></i>
                  </el-tooltip>
                  组件路径
                </span>
                <el-input v-model="form.component" placeholder="请输入组件路径" />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'M'">
                <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100" />
                <span slot="label">
                  <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)" placement="top">
                  <i class="el-icon-question"></i>
                  </el-tooltip>
                  权限字符
                </span>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item >
                <!-- v-if="form.menuType != 'A'" -->
                <span slot="label">
                  <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                  <i class="el-icon-question"></i>
                  </el-tooltip>
                  显示状态
                </span>
                <el-radio-group v-model="form.isShow">
                  <el-radio
                    v-for="item in showStatus"
                    :key="item.value"
                    :label="item.value"
                  >{{item.label}}</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
          </el-row>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm" v-hasPermi="['admin:system:menu:update']">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
      </el-card>
    </div>
  </template>
  
  <script>
  import { menuListApi,menuInfo,menuUpdate,menuAdd,menuDelete } from '@/api/citySystemAdmin'
  import Treeselect from "@riophae/vue-treeselect";
  import "@riophae/vue-treeselect/dist/vue-treeselect.css";
  import {Debounce} from '@/utils/validate'
  export default {
    name: "citySystem",
    components: { Treeselect, },
    data() {
      return {
        // 遮罩层
        listLoading: true,
        // 显示搜索条件
        showSearch: true,
        // 菜单表格树数据
        menuList: [],
        // 菜单树选项
        menuOptions: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 是否展开，默认全部折叠
        isExpandAll: false,
        // 重新渲染表格状态
        refreshTable: true,
        // 查询参数
        queryParams: {
          name: '',
          menuType:''
        },
        // 表单参数
        form: {},
        //请求到的menu数据
        menuDataList:[],
        // 表单校验
        rules: {
          name: [
            { required: true, message: "菜单名称不能为空", trigger: "blur" }
          ],
          sort: [
            { required: true, message: "菜单顺序不能为空", trigger: "blur" }
          ],
        },
        statusOptions: [
          {value: 'M',label: '目录'}, 
          {value: 'C',label: '菜单'},
          {value: 'A',label: '按钮'},
        ],
        showStatus:[
          {label:'显示',value:true},
          {label:'隐藏',value:false},
        ]
      };
    },
    created() {
      this.getList();
    },
    methods: {
      // 点击图标
      addIcon() {
        const _this = this
        _this.$modalIcon(function(icon) {
          _this.form.icon = icon;
        })
      },
      /** 查询菜单列表 */
      getList() {
        this.listLoading = true;
        menuListApi(this.queryParams).then(res=>{
          let obj = {},menuList = [];
          res.forEach(item=>{
            obj = item;
            obj.parentId = item.pid;
            obj.children = [];
            menuList.push(obj);
          })
          this.menuDataList = menuList;
          this.menuList = this.handleTree(menuList, "menuId")
          this.listLoading = false;
        })
      },
      /** 转换菜单数据结构 */
      normalizer(node) {
        if (node.children && !node.children.length) {
          delete node.children;
        }
        return {
          id: node.id ? node.id : 0,
          label: node.name ? node.name : '主目录',
          children: node.children
        };
      },
      /** 查询菜单下拉树结构 */
      getTreeselect() {
          this.menuOptions = [];
          const menu = { menuId: 0, menuName: '主类目', children: [] };
          menu.children = this.handleTree(this.menuDataList, "menuId");
          this.menuOptions.push(menu);
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          menuId: '',
          parentId: 0,
          name: '',
          icon: '',
          menuType: "M",
          sort: 0,
          isShow: true,
          component:'',
          perms:''
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.queryParams = { name: '', menuType:''},
        this.handleQuery();
      },
      /** 新增按钮操作 */
      handleAdd(row) {
        this.reset();
        if (row != null && row.id) {
          this.form.pid = row.id;
        } else {
          this.form.pid = 0;
        }
        this.open = true;
        this.title = "添加菜单";
      },
      /** 展开/折叠操作 */
      toggleExpandAll() {
        this.refreshTable = false;
        this.isExpandAll = !this.isExpandAll;
        this.$nextTick(() => {
          this.refreshTable = true;
        });
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        const loading = this.$loading({
          lock: true,
          text: 'Loading',
        });
        this.reset();
        this.getTreeselect();
        menuInfo(row.id).then(response => {
          this.form = response;
          this.open = true;
          this.title = "修改菜单";
          loading.close();
        });
      },
      /** 提交按钮 */
      submitForm: Debounce(function() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != undefined) {
              menuUpdate(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              menuAdd(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      }),
      /** 删除按钮操作 */
      handleDelete(row) {
        this.$modal.confirm('是否确认删除名称为"' + row.name + '"的数据项？').then(function() {
          return menuDelete(row.id);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      }
    }
  };
  </script>
  <style lang="scss">
    .mb8{
      margin-bottom: 8px;
    }
    .type_tag{
      display: inline-block;
      height: 32px;
      padding: 0 10px;
      line-height: 30px;
      font-size: 12px;
      border-radius: 4px;
      box-sizing: border-box;
      white-space: nowrap;
    }
    .two{
      background: rgba(239, 156, 32, .1);
      color: rgba(239, 156, 32, 1);
    }
    .one{
      background: rgba(75, 202, 213, .1);
      color: rgba(75, 202, 213, 1);
    }
    .three{
      color: rgba(120, 128, 160, 1);
      background: rgba(120, 128, 160, .1);
    }
  </style>
  